Public Cellular Blocking Service

PCBS stands for Public Cellular Blocking Service, a Government initiative to enable blocking of mobile phones reported lost or stolen in Malaysia.

What is the difference between SIM Blocking and Device Blocking?

SIM Blocking is a service to block the usage/charges to the mobile number, whereas Device Blocking (PCBS) blocks the device from connecting to the mobile networks even when a different U Mobile network SIM is inserted.

What devices can be blocked?

Devices that can be blocked are ones that have a valid IMEI and were last used by the registered customer on a U Mobile network.

How does PCBS work?

The PCBS uses the International Mobile Equipment Identity (IMEI) number of the mobile phone to block or unblock lost or stolen mobile phones.

To block or unblock the mobile phone, you would need to make a request to us.

Upon receiving the request to block or unblock, we take the necessary steps to initiate the blocking or unblocking process.

What happens if my IMEI number is already registered by another user?

Such cases may happen due to a number of reasons.

The IMEI number can be duplicated on more than one device. This happens with non-type approved mobile phone devices manufactured by small, non-mainstream manufacturers. However, the percentage of such cases worldwide is low in relation to the total number of mobile phone devices in existence.

Another user may have registered it as belonging to him by accident.

It is registered by a previous owner of a device that has since been sold off or given to somebody else.

What do I do if my phone is lost or stolen?

Immediately report it to us to first block the SIM card and request for the mobile phone to be blocked.

If a crime is involved, please make a police report without delay and ensure that the IMEI number is included in the police report.

Can PCBS choose not to block a mobile phone that is reported as lost/stolen?

In some very exceptional cases, for instance those involving cloned/duplicate IMEIs or under the instructions of law enforcement authorities; PCBS may choose not to block a mobile device even though it is reported as having been lost or stolen.

Once a mobile phone is blocked on PCBS, will it eventually be unblocked after a period of time?

No, once blocked, a mobile phone will remain blocked until a legitimate unblock request is made.

Who can request to block/unblock the device?

Only the registered owner of the device which is on a U Mobile network, prior to the device being lost/stolen, can request to block/unblock the device.

Will a blocked device be unblocked after a certain period of time?

Once blocked, the device will remain blocked until a legitimate unblock request is made.